body,
ul,
ol,
dl,
dd,
p,
h1,
h2,
h3,
h4,
h5,
h6 {
    margin: 0;
    padding: 0;
}

li {
    list-style: none;
}

a {
    /* 去掉a标签的下划线 */
    text-decoration: none;
    /* inherit 继承 */
    color: inherit;
}

img {
    vertical-align: top;
}

i {
    /* 去掉倾斜  i = span */
    font-style: normal;
}

b {
    /* 去掉加粗  b = span */
    font-weight: normal;
}

body {
    font-family: "微软雅黑", "宋体", Arial, Helvetica, sans-serif;
    line-height: 22px;
    font-size: 12px;
    color: #444;
}


.s1 {
    /* 禁止换行 */
    white-space: nowrap;
    /* 溢出隐藏 */
    overflow: hidden;
    /* 文本溢出  省略号 */
    text-overflow: ellipsis;
}

.s2 {
    display: -webkit-box;
    -webkit-box-orient: vertical;
    /* 2行省略    */
    -webkit-line-clamp: 2;
    overflow: hidden;
    text-overflow: ellipsis;
}

.s3 {
    display: -webkit-box;
    -webkit-box-orient: vertical;
    /* 3行省略    */
    -webkit-line-clamp: 3;
    overflow: hidden;
    text-overflow: ellipsis;
}